ATech Machine ZETA-02 A Installationsanleitung PDF herunterladen (Seite 13)

Chapter 1. Installation 7

Electrical Connections

To install the ZETA6104 so that it is LVD compliant, refer also to the supplemental instruc-

tions in Appendix C. Appendix D provides guidelines on how to install the ZETA6104 in a

manner most likely to minimize the ZETA6104Õs emissions and to maximize the

ZETA6104Õs immunity to externally generated electromagnetic interference.

Grounding System

MOTOR

INTERLOCK

CENTER TAP

A+

A-

EARTH

B+

B-

CENTER TAP

INTERLOCK

95-132 VAC

50/60 Hz

GND

SHLD

GND

SHLD

GND

COM 1 COM 2

ENCODER

LIMITS

I/O

PROGRAMMABLE I/O

GND

AC POWER

Compumotor

GND (if COM2 is RS-485) *

Isolated

Ground

SHLD (if COM2 is RS-232) *

EARTH

NOTE: The inputs and outputs are isolated

from the internal microprocessor, but are not

isolated from the other inputs and outputs.

GND (if COM2 is RS-232) *

* The function of COM2Õs terminals depends

on whether it is configured for RS-232 (the

factory default configuration) or for RS-485

(see page 5 for configuration).

GND

GND (even number pins)

SHLD

EARTH

Ground Pin

Pulse Cut-Off (P-CUT) Ñ Emergency Stop Switch

I/O Connector

+5V connected to AUX-P and V_I/O (sourcing current).

Provides +5V power to the P-CUT pull-up resistor. As an alternative, you can

connect AUX-P to an external supply of up to +24V (but do not use both the on-board +5V

terminal and an external 5-24V supply). If V_I/O is connected to a +5V supply (on-board or

external), AUX-P can be connected to a supply of up to +24V. If V_I/O is connected to an

external +24V supply, AUX-P must also be connected to +24V (or to GND).

Switching levels depend on the voltage applied to V_I/O:

LOW £ 1/3 of V_I/O voltage; HIGH ³ 2/3 of V_I/O voltage

NOTE: AUX-P and V_I/O are also used by the HOM, NEG, POS & TRG inputs.

SINKING CURRENT: To make P-CUT (as well as HOM, NEG, POS & TRG) sink current,

connect AUX-P to GND.

TRG-A

TRG-B

OUT-A

GND

P-CUT

+5V

OUT-P

IN-P

AUX-P

V_I/O

P-CUT connected to GND (normally-closed switch).

If this connection is opened, motion is killed and the

program in progress is terminated.

If the P-CUT input is not grounded when motion is

commanded, motion will not occur and the error message

ÒWARNING: PULSE CUTOFF ACTIVEÓ will be displayed in

the terminal emulator.

Internal Schematic

ISO GND

6.8 KW

12.1 KW

+5VDC

20.0 KW 18.2 KW

10.0 KW

LM 339

30.1 KW

CAUTION: You must select either the on-board +5V terminal or an external power supply to power the

AUX-P pull-up resistor (for the P-CUT, HOM, NEG, POS, TRG-A, and TRG-B inputs).

Connecting AUX-P to the +5V terminal and an external supply will damage the

ZETA6104. (The same rule applies to the IN-P and OUT-P terminals, see page 14.)

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